Home / 752,429.80-1,128,903.90-332,007.40

Finding the Fourth Proportional to 752,429.80, 1,128,903.90 and 332,007.40

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Solution

The fourth proportional to 752,429.80, 1,128,903.90 and 332,007.40 is: 498,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,429.80 : 1,128,903.90 = 332,007.40 : x
  2. Step 2: Convert to fraction form
    752,429.80/1,128,903.90 = 332,007.40/x
  3. Step 3: Cross multiply
    752,429.80x = 1,128,903.90 × 332,007.40
  4. Step 4: Simplify right side
    752,429.80x = 374,804,448,688.86
  5. Step 5: Solve for x
    x = 374,804,448,688.86/752,429.80
  6. Step 6: Final answer
    x = 498,125.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.